Figure 2 | Scientific Reports

Figure 2

From: On-chip wavelength division multiplexing filters using extremely efficient gate-driven silicon microring resonator array

Figure 2

(a) Normalized transmission spectra of a tunable Si-MRR with different applied gate biases. (b) Measured Q-factor (blue) and Δλ (orange) as a function of the gate bias. (c) Measured capacitance density of a metal/9 nm-HfO2/Si MOS capacitor as a function of gate bias. (d) The leakage current of a tunable Si-MRR (blue) and calculated power consumption (orange).

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